Privacy/Features/DOMCryptAPI/UseCases: Difference between revisions

Privacy/Features/DOMCryptAPI/UseCases (view source)

288 bytes added , 6 December 2011

564

edits

@@ Line 40: / Line 40: @@
 SHA 256 hashes are handy for storing passwords and generating checksums (among other uses)
-Example code uses the hashing API: '''window.cipher.hash.*'''
+Example code uses the hashing API: '''window.crypto.hash.*'''
+[Constructor(in DOMString algorithm)]
+.interface CryptoHash {
+.void append(in ArrayBuffer data);
+.ArrayBuffer finish();
+.};
 <pre class="brush:js;toolbar:false;">
-var myPassword = "5ekr3tPa55w0rd";
-window.cipher.hash.SHA256(myPassword, function callback(aHash) {
+var hasher = new window.crypto.hash("RS256");
-   myApp.doSomethingWithAHash(aHash);
+var myData = "1234567890abcdefghijklmnopqrstuwxyz";
-});
+var arrBufferView = new Int8Array(myData.length);
+for (var i = 0; i < myData.length; i++) {
+   arrBufferView[i] = myData.charCodeAt(i);
+}
+hasher.append(arrBufferView);
+var hashed = hasher.finish();
 // Another idea: generating a file checksum in conjunction with the FileAPI